// /////////////////////////////
//  Makumba, Makumba tag library
//  Copyright (C) 2000-2003 http://www.makumba.org
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//  -------------
//  $Id$
//  $Name$
/////////////////////////////////////

package org.makumba.forms.html;

import java.util.Dictionary;

import org.makumba.HtmlUtils;
import org.makumba.Text;
import org.makumba.commons.StringUtils;
import org.makumba.commons.formatters.FieldFormatter;
import org.makumba.commons.formatters.RecordFormatter;
import org.makumba.forms.tags.SearchFieldTag;

public class textEditor extends FieldEditor {

    private static final class SingletonHolder {
        static FieldEditor singleton = new textEditor();
    }

    private boolean forceInput;

    private textEditor() {
    }

    public static FieldFormatter getInstance() {
        return SingletonHolder.singleton;
    }

    static String[] _params = { "default", "empty", "type", "rows", "cols", "forceInputStyle" };

    static String[][] _paramValues = { null, null, { "textarea", "file" }, null, null,
            SearchFieldTag.allowedSelectTypes };

    @Override
    public String[] getAcceptedParams() {
        return _params;
    }

    @Override
    public String[][] getAcceptedValue() {
        return _paramValues;
    }

    public String getParams(RecordFormatter rf, int fieldIndex, Dictionary<String, Object> formatParams) {
        return getIntParamString(rf, fieldIndex, formatParams, "rows")
                + getIntParamString(rf, fieldIndex, formatParams, "cols");
    }

    @Override
    public String format(RecordFormatter rf, int fieldIndex, Object o, Dictionary<String, Object> formatParams) {
        forceInput = StringUtils.equals(formatParams.get("forceInputStyle"), "input");
        formatParams.remove("forceInputStyle");
        return super.format(rf, fieldIndex, o, formatParams);
    }

    @Override
    public String formatNull(RecordFormatter rf, int fieldIndex, Dictionary<String, Object> formatParams) {
        return formatNotNull(rf, fieldIndex, null, formatParams);
    }

    @Override
    public String formatNotNull(RecordFormatter rf, int fieldIndex, Object o, Dictionary<String, Object> formatParams) {
        if (isTextArea(rf, fieldIndex, formatParams)) {
            return (forceInput ? "<INPUT type=\"text\"" : "<TEXTAREA") + " name=\""
                    + getInputName(rf, fieldIndex, formatParams) + "\" " + getParams(rf, fieldIndex, formatParams)
                    + getExtraFormatting(rf, fieldIndex, formatParams) + " >"
                    + formatValue(rf, fieldIndex, o, formatParams) + (forceInput ? "</INPUT>" : "</TEXTAREA>");
        } else {
            return binaryEditor.fileInput(rf, fieldIndex, formatParams);
        }
    }

    /**
     * Formats the value to appear in an input statement. For textarea type data only!
     */
    @Override
    public String formatValue(RecordFormatter rf, int fieldIndex, Object o, Dictionary<String, Object> formatParams) {
        if (o instanceof Text) {
            o = ((Text) o).getString();
        }
        String s = o == null ? null : HtmlUtils.string2html(o.toString());
        return resetValueFormat(rf, fieldIndex, s, formatParams);
    }

    boolean isTextArea(RecordFormatter rf, int fieldIndex, Dictionary<String, Object> formatParams) {
        String s = (String) formatParams.get("type");
        if (s == null) {
            return true;
        }
        return s.equals("textarea");
    }
}
